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Side A  Side B  
1 
A descriptive measure of a sample

statistic


2 
method of organizing, summarizing, and presenting data

descriptive statistics


3 
The group of all items of interest

population


4 
the process of making an estimate. prediction, or decision about a population based on sample...

statistical inference


5 
a set of data drawn from a population

sample


6 
the data can be arranged in order & differences b/w data values are meaningful

interval scale


7 
the data consists of names, labels, or categories. There are no criteria for ordering the data...

nominal scale


8 
the data can be arranged in order & both & ratios b/w data values are meaningful. Also...

ratio scale


9 
the data can be arranged in order. However, differences b/w data values either can;t be determined...

ordinal scale


10 
The Requirements of a Random Sample

1. Each indiv. in population of interest must have an equal probability of being of being included...


11 
Divide the entire population into preexisting segments or clusters. The clusters are often...

Cluster sampling


12 
Create a sample by using data from population members that are readily available.

Convenience Sampling


13 
A simple random sample of n measurements from a population is a subset of the population...

Simple Random Sampling


14 
Divide the entire population into distinct subgroups called strata. The strata are based on...

Stratified Sample


15 
Number all members of the population sequentially. Then, from a starting point selected at...

Systematic sampling


16 
A variable that describes an individual by placing the individual into a category or group,...

Qualitative variable


17 
A quantitative variable has a value or numerical measurement for which operations such as addition...

Quantitative variable


18 
numerical measure that describes an aspect of a population.

Parameter


19 
Given a random sample of 9 skiers at Vail:18, 25, 32,16, 41, 52, 29, 58, 23Give the 5 number...

XMin= 16; Q1= 20.5; Med (Q2)= 29; Q3= 46.5; Xmax=58 Age of skiers


20 
What is IQR and how do you find it?

Interquartile RangeQ3Q1= 20.5


21 
How do you find the sample mean?

Summation of X divided by n


22 
How do you find the median?

Order the data and then find the physical middle; Position= (n+1)/2


23 
How do you find the mode?

it is the most frequent


24 
How to find Weighted Mean

Summation (Weight x Data) / Summation(Weight)


25 
How do you find the Range?

Xmax  Xmin


26 
How do you find the sample mean?

Summation(X) / n


27 
How do you find the sample standard deviation?

fill in


28 
Computational Formula (Standard Deviation)

fill in


29 
Population Standard Deviation

fill in


30 
Sample Variance

fill in


31 
Population Variance

fill


32 
Sample Mean for Grouped Data

fill
